Supported operating systems:
Google Android 10.x, Google Android 2.0, Google Android 2.1, Google Android 2.2, Google Android 2.3, Google Android 3.0, Google Android 3.1, Google Android 3.2, Google Android 4.0, Google Android 4.1, Google Android 4.2, Google Android 4.3, Google Android 4.4, Google Android 5.x, Google Android 6.x, Google Android 7.x, Google Android 8.x, Google Android 9.x, Nokia Internet Tablet OS Maemo 5.0
Songania Search Engine - Firefox Addon Songania Search Engine - Firefox Addon - A Firefox search plugin that is made specially for songania.com. This allows you to search any song you like and a result page will be shown where you can listen/download the song you searched for
Twitter Filter - Firefox Addon Twitter Filter is the only way to hide updates based on their source (e.g., foursquare, gowalla, TwitterFeed). To hide updates from a source, just click the "(X)" next to that source's name underneath a tweet.
To see the sources you have already blocked (and to unblock any of them), take a look at the bottom of the Twitter sidebar
SEMRush.com (ru) - Firefox Addon SEMRush.com (ru) - Firefox Addon - SEMRush.com was designed by the developers of SeoDigger and SeoQuake to satisfy your needs in advanced SEM and keywords research
HandBookLive Online Product Videos Search - Firefox Addon HandBookLive Online Product Videos Search - Firefox Addon - HandBookLive is a website where you can watch product manuals on video. HandBookLive content comes from the companies that make the products. This prevents misinformation from 3d party sources you may find on YouTube or other sites
100 Search Engines - Firefox Addon 100 Search Engines for Firefox searches over 100 search engines including Google, Yahoo, Bing, YouTube, Wikipedia, WikiHow, eHow, Twitter, Amazon, eBay, ZabaSearch, Facebook, Ask.com, Hulu, Answers, Scirus, plus lots more. Includes Keyword Suggestions
Unicode Char Lookup - Firefox Addon Unicode Char Lookup - Search Engine add-on to look up a Unicode character's code point and other information in the online "Character Properties" utility at unicode.org.
Simply type or paste a single Unicode character into the search box, to look up its details in the database - code point, name, various other character properties